| 1 | MSE | MAS Havacilik Ve Merkezi Pazarlama Tic. A.S. | Callsign: Airmas, | TR | AVCODES |
| 2 | MSE | Mississippi Export R.R. Co. | 4/1938-7/2000; eliminated 10/2004; 7/2005 | | NAKINA |
| 3 | MSE | Mississippi Export R.R. Co. | 4/38-7/2000 | | NRHS |
| 4 | MSE | MISSISSIPPI EXPORT RAILROAD COMPANY | | | PWRC |
| 5 | MSE | Mississippi Export Railroad | | | RSRV |
| 6 | MSE | MISSISSIPPI EXPORT RAILROAD COMPANY | | | SCAC4 |
| 7 | MSE | Mississippi Export Railroad | | USA | TRAFFIC |
| 8 | MSEA | MATTHEWS SEAFOODS LTD | | | SCAC4 |
| 9 | MSED | MID-SOUTH EXPRESS DELIVERY INC | | | SCAC4 |
| 10 | MSEE | MID-STATE ENERGY INC | | | SCAC4 |
| 11 | MSEJ | MRS STRATTONS SALADS INC | | | SCAC4 |
| 12 | MSEK | MUSE TRUCKING INC | | | SCAC4 |
| 13 | MSEN | MULTISERVICIOS EXPRESS DEL NORESTE | | | SCAC4 |
| 14 | MSEO | MINE SERVICE LTD | | | SCAC4 |
| 15 | MSER | MAP & SONS ENTERPRISE | | | SCAC4 |
| 16 | MSES | M & S EQUIPMENT SALES & SERVICE | | | SCAC4 |
| 17 | MSEU | ZHANG JIA GANG CITY MARISTAR CONTAINER MANUFACTURING CO., LTD. | | PRC | BIC |
| 18 | MSEW | MOONLAND SERVICES | | | SCAC4 |
| 19 | MSEX | Mountain States Energy Corp. | added 7/1986; eliminated 10/1987 | | NAKINA |
| 20 | MSEX | Muessel Brewing Co. (Merchants Despatch, Inc.) | 7/1935 | | NAKINA |
| 21 | MSEX | Mountain States Energy Corp. | added 7/86; eliminated 10/87 | | NRHS |
| 22 | MSEX | *TOUR ALASKA, INC., DBA PRINCESS TOURS | | | PWRC |
| 23 | MSEX | *MOUNTAIN STATES ENERGY CORP. | | | PWRC |
| 24 | MSEX | Mountain States Energy Corp (Tour Alaska Inc. dba Princess Tours) | | | RSRV |
| 25 | MSEX | TOUR ALASKA, INC., DBA PRINCESS TOU | | | SCAC4 |
